2SC4725TR/NP [ROHM]
RF Small Signal Bipolar Transistor, 0.05A I(C), 1-Element, Ultra High Frequency Band, Silicon, NPN,;
| 型号： | 2SC4725TR/NP |
| 厂家： | 
ROHM |
| 描述： | RF Small Signal Bipolar Transistor, 0.05A I(C), 1-Element, Ultra High Frequency Band, Silicon, NPN, 晶体 放大器 小信号双极晶体管 射频小信号双极晶体管 光电二极管 |
| 文件： | 总2页 (文件大小：72K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
2SC5661 / 2SC4725 / 2SC4082 / 2SC3837K
Transistors
High-Frequency Amplifier Transistor
(18V, 50mA, 1.5GHz)
2SC5661 / 2SC4725 / 2SC4082 / 2SC3837K
!External dimensions (Units : mm)
!Features
1) High transition frequency. (Typ. fT = 1.5GHz)
2) Small rbb’⋅Ccand high gain. (Typ. 6ps)
3) Small NF.
2SC5661
1.2
0.2 0.8 0.2
( )
2
(3)
( )
1
(1) Base
0.15Max.
(2) Emitter
(3) Collector
ROHM : VMT3
2SC4725
! Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
30
Unit
V
Collector-base voltage
V
V
V
CBO
CEO
EBO
( )
1
Collector-emitter voltage
Emitter-base voltage
Collector current
18
V
( )
2
( )
3
3
V
I
C
50
mA
0.8
1.6
2SC5661, 2SC4725
2SC4082, 2SC3837K
0.15
0.2
Collector power
dissipation
P
C
W
Junction temperature
Storage temperature
Tj
150
°C
°C
(1) Emitter
(2) Base
(3) Collector
Tstg
−55~+150
ROHM : EMT3
EIAJ : SC-75A
0.1Min.
2SC4082
!Packaging specifications and hFE
Type
2SC4725
EMT3
NP
2SC4082
UMT3
NP
2SC3837K
SMT3
2SC5661
VMT3
NP
1.25
2.1
Package
hFE
NP
(1) Emitter
(2) Base
(3) Collector
∗
∗
∗
∗
Marking
Code
AC
1C
AC
AC
TL
T106
T146
T2L
Basic ordering unit
(pieces)
ROHM : UMT3
EIAJ : SC-70
8000
3000
3000
3000
0.1to0.4
Each lead has same dimensions
∗ Denotes hFE
2SC3837K
1.6
2.8
(1) Emitter
(2) Base
(3) Collector
ROHM : SMT3
EIAJ : SC-59
0.3to0.6
Each lead has same dimensions
!Electrical characteristics (Ta=25°C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
BVCBO
BVCEO
BVEBO
30
18
3
−
−
−
−
−
−
−
−
V
V
I
I
I
C
C
=
=
=
10µA
1mA
V
E
10µA
I
CBO
EBO
CE(sat)
FE
−
−
−
56
600
−
−
−
0.5
0.5
0.5
180
−
1.5
13
−
µA
µA
V
V
CB
EB
=
=
10V
Emitter cutoff current
I
V
2V
Collector-emitter saturation voltage
DC current transfer ratio
V
−
−
I
C/I
B
=
20mA/4mA
h
−
V
V
V
V
V
CE/I
C
= 10V/10mA
f
T
1500
0.9
6
MHz
pF
ps
dB
CB
CB
CB
CE
=
=
=
=
10V , I
10V , I
10V , I
12V , I
C
E
C
C
=
=
=
=
10mA , f
0A , f 1MHz
10mA , f 31.8MHz
2mA , f 200MHz , Rg = 50Ω
= 200MHz
Transition frequency
Output capacitance
Collector-base time constant
Noise factor
Cob
rbb'·Cc
NF
=
=
4.5
=
1/1
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document use silicon as a basic material.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.0
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